Answer: (i) Some of the common uses of fire are
to cook food, warm the homes in winter and to generate electricity
.
What are the 10 uses of fire?
- Landscape modification. Coppicing basket materials. …
- Hunting. Drive grasshoppers into cooking pit. …
- Cooking. Roasting on coals or grill. …
- Steam bending wood. Straighten arrow, dart and spear shafts. …
- Smoking hides and meat to preserve.
- Softening tar and pitch for adhesive.
- Heat treating stone for tools.
- Wood working.
What are some common uses of fire?
Fire has been used by humans in
rituals
, in agriculture for clearing land, for cooking, generating heat and light, for signaling, propulsion purposes, smelting, forging, incineration of waste, cremation, and as a weapon or mode of destruction.
What are 3 uses of fire?
Fire has been used by humans in
rituals
, in agriculture for clearing land, for cooking, generating heat and light, for signaling, propulsion purposes, smelting, forging, incineration of waste, cremation, and as a weapon or mode of destruction.
What is fire short answer?
Fire is a chemical reaction in which energy in the form of heat is produced. When forest fuels burn, there is a chemical combination of the oxygen in the air with woody material, pitch and other burnable elements found in the forest environment. This process in known as
Combustion
. … Fire begins with ignition.
What are the 4 types of fire?
- Class A – fires involving solid materials such as wood, paper or textiles.
- Class B – fires involving flammable liquids such as petrol, diesel or oils.
- Class C – fires involving gases.
- Class D – fires involving metals.
- Class E – fires involving live electrical apparatus. (
What is the full form of fire?
The Full form of FIRE is
Finance Insurance And Real Estate
, or FIRE stands for Finance Insurance And Real Estate, or the full name of given abbreviation is Finance Insurance And Real Estate.
Why is human fire important?
Fire
provided a source of warmth and lighting, protection from predators
(especially at night), a way to create more advanced hunting tools, and a method for cooking food. These cultural advances allowed human geographic dispersal, cultural innovations, and changes to diet and behavior.
What are the three elements of fire?
Oxygen, heat, and fuel
are frequently referred to as the “fire triangle.” Add in the fourth element, the chemical reaction, and you actually have a fire “tetrahedron.” The important thing to remember is: take any of these four things away, and you will not have a fire or the fire will be extinguished.
Can fire exist without oxygen?
A fire cannot burn without oxygen
. … It should be noted that in the presence of carbon, nitrogen and oxygen, stars heavier than the Sun may burn hydrogen to helium by using the C, N and O as catalysts. Even in these stars, however, an absence of oxygen does not prevent nuclear burning.
What are 5 causes of fire?
- Cooking. Cooking fires are the leading cause of home fires by far, accounting for 48% of all reported residential fires. …
- Heating. Portable heaters are the second-leading cause of home fires and home fire injuries. …
- Electrical Fires. …
- Smoking. …
- Candles.
What is called fire?
Fire is
the visible effect of the process of combustion
– a special type of chemical reaction. It occurs between oxygen in the air and some sort of fuel. The products from the chemical reaction are completely different from the starting material. … Combustion that results in a flame is very fast and is called burning.
What are the 4 causes of fire?
Top Causes of Home Fires. According to the NFPA report, the top four causes of home fires and their resulting casualties are
cooking, heating, electrical distribution and lighting equipment
(installed wiring, outlets, switches, cords, plugs, power supplies, and lighting), and careless smoking.
What are the 5 types of fire?
Fire is divided into five classes (
A, B, C, D, and K
) that are primarily based on the fuel that is burning. This classification system helps to assess hazards and determine the most effective type of extinguishing agent.
What does ABC mean in fire extinguisher?
Dry Chemical Extinguishers come in a variety of types. You may see them labeled: • “DC” short for “dry chem” • “ABC” indicating that
they are designed to extinguish class A,B,and C fires
, or • “BC” indicating that they are designed to extinguish class B and C fires.